-98.03% is the change from 811 to 16
Calculation steps:
[( 16 - 811 ) ÷ 811] x 100 = -98.03%
Formula
Percentage change = [(16 - 811) / 811] x 100
Subtract the new number by the original number
16 - 811 = -795
-795 ÷ 811 = -0.9802712700369913
-0.9802712700369913 x 100 = -98.03%